diff --git a/HISTORY.md b/HISTORY.md
index 9c99b10..64f3aea 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## [v4.9](https://github.com/tj-actions/branch-names/tree/v4.9) (2021-08-23)
+
+[Full Changelog](https://github.com/tj-actions/branch-names/compare/v4.8...v4.9)
+
+**Closed issues:**
+
+- Dependency Dashboard [\#36](https://github.com/tj-actions/branch-names/issues/36)
+
+**Merged pull requests:**
+
+- Updated README.md [\#81](https://github.com/tj-actions/branch-names/pull/81) ([jackton1](https://github.com/jackton1))
+- docs: add loarca as a contributor for code [\#80](https://github.com/tj-actions/branch-names/pull/80) ([allcontributors[bot]](https://github.com/apps/allcontributors))
+- Update 'current\_branch' output to strip tag prefix [\#79](https://github.com/tj-actions/branch-names/pull/79) ([loarca](https://github.com/loarca))
+- Update tj-actions/remark action to v1.7 [\#78](https://github.com/tj-actions/branch-names/pull/78) ([renovate[bot]](https://github.com/apps/renovate))
+- Updated README.md [\#77](https://github.com/tj-actions/branch-names/pull/77) ([jackton1](https://github.com/jackton1))
+- Upgraded to v4.8 [\#76](https://github.com/tj-actions/branch-names/pull/76) ([jackton1](https://github.com/jackton1))
+
 ## [v4.8](https://github.com/tj-actions/branch-names/tree/v4.8) (2021-08-04)
 
 [Full Changelog](https://github.com/tj-actions/branch-names/compare/v4.7...v4.8)
@@ -23,7 +40,6 @@
 **Closed issues:**
 
 - Improve documentation [\#43](https://github.com/tj-actions/branch-names/issues/43)
-- Dependency Dashboard [\#36](https://github.com/tj-actions/branch-names/issues/36)
 
 **Merged pull requests:**
 
diff --git a/README.md b/README.md
index ba040f5..d4b5d0e 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ on:
     steps:
       - name: Get branch name
         id: branch-name
-        uses: tj-actions/branch-names@v4.8
+        uses: tj-actions/branch-names@v4.9
         
       - name: Running on the default branch.
         if: steps.branch-name.outputs.is_default == 'true'
@@ -78,7 +78,7 @@ on:
     steps:
       - name: Get branch names
         id: branch-name
-        uses: tj-actions/branch-names@v4.8
+        uses: tj-actions/branch-names@v4.9
 
       - name: Current branch name
         run: |
@@ -115,7 +115,7 @@ on:
     steps:
       - name: Get branch names
         id: branch-name
-        uses: tj-actions/branch-names@v4.8
+        uses: tj-actions/branch-names@v4.9
       
       - name: Current branch name
         run: |
@@ -162,7 +162,7 @@ on:
     steps:
       - name: Get branch names
         id: branch-name
-        uses: tj-actions/branch-names@v4.8.
+        uses: tj-actions/branch-names@v4.9.
      
       - name: Running on a tag branch.
         if: steps.branch-name.outputs.is_tag == 'true'
@@ -201,7 +201,7 @@ on:
     steps:
       - name: Get branch names.
         id: branch-names
-        uses: tj-actions/branch-names@v4.8
+        uses: tj-actions/branch-names@v4.9
       - uses: actions/checkout@v2
         with:
           ref: ${{ steps.branch-names.outputs.head_ref_branch }}